Which of the gas is not known as green house gas? Carbon dioxide Nitrous oxide Hydrogen Methane TRUE ANSWER : ? YOUR ANSWER : ?
Carbon, diamond and graphite are together called Isotopes Isomers Allotrope Isomorphs TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following was to be discovered first in the chromospheres of the sun? Xenon Helium Krypton Neon TRUE ANSWER : ? YOUR ANSWER : ?
Wood is the main raw material for the manufacture of Ink Paper Paint Gun powder TRUE ANSWER : ? YOUR ANSWER : ?
Non stick cooking utensils are coated with Black paint polystyrene PVC Teflon TRUE ANSWER : ? YOUR ANSWER : ?
Actinides are the elements with atomic numbers from 89 to 103 97 to 104 101 to 115 36 from 43 TRUE ANSWER : ? YOUR ANSWER : ?
Which layer protects earth from harmful rays of the Sun? Troposphere Magnetosphere Ozone layer Ionosphere TRUE ANSWER : ? YOUR ANSWER : ?